What focuses on stopping illnesses from happening before they occur

The williams twins are in your dental office for a routine checkup. mrs. williams informs you that they both eat the same quantity of sweets. however, jeanne eats her sweets all at once, whereas carol divides her sweets throughout the day. which of the twins is most likely to have tooth decay? why?

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Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease